Home / 153,400,684.46-211,693,591.04-86,420,446.22

Finding the Fourth Proportional to 153,400,684.46, 211,693,591.04 and 86,420,446.22

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Solution

The fourth proportional to 153,400,684.46, 211,693,591.04 and 86,420,446.22 is: 119,260,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,400,684.46 : 211,693,591.04 = 86,420,446.22 : x
  2. Step 2: Convert to fraction form
    153,400,684.46/211,693,591.04 = 86,420,446.22/x
  3. Step 3: Cross multiply
    153,400,684.46x = 211,693,591.04 × 86,420,446.22
  4. Step 4: Simplify right side
    153,400,684.46x = 18,294,654,599,590,992
  5. Step 5: Solve for x
    x = 18,294,654,599,590,992/153,400,684.46
  6. Step 6: Final answer
    x = 119,260,579.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.